Byggr
San Francisco, US · Founded 2024 · Delaware corporation
Rosetic is a development platform that combines LLM agents for interpreting specifications with a proprietary Deterministic Language Model (DLM) to generate production-grade code with unit tests, infrastructure, and documentation. It targets professional software engineers, enterprises, and services firms seeking predictable, compliant, and maintainable software over probabilistic LLM-only code generation.
Founders & leadership
Byggr was founded in 2024 by Björn Stansvik.

Board
Reported raises · per SEC filings
Form D private placements$750K disclosed across 1 round · 2025
▶$750KraisedMar 2025 · 4 investors · Other TechnologyRule 506(b)
- Anthony LaxenExecutive Officer
- Mark RobinsonDirector
- Bjorn StansvikExecutive Officer, Director
- Christopher ChartrandDirector
- Terry BenzelDirector
- Amount sold
- $750K
- Minimum investment
- $10K
- Proceeds to insiders
- $200K
- First sale
- Feb 2025
- Incorporated
- Corporation, Delaware, 2024
- Federal exemptions
- 06b
Source: SEC EDGAR Form D. Amounts as filed; amended filings shown once at their latest values.
Competitors · 3
by search overlapCompanies competing with Byggr for the same Google search keywords, organic and paid, via search-intersection analysis.
Frequently asked questions
- What does Byggr do?
- Rosetic is a development platform that combines LLM agents for interpreting specifications with a proprietary Deterministic Language Model (DLM) to generate production-grade code with unit tests, infrastructure, and documentation. It targets professional software engineers, enterprises, and services firms seeking predictable, compliant, and maintainable software over probabilistic LLM-only code generation.
- Who founded Byggr?
- Byggr was founded by Björn Stansvik in 2024.
- How much funding has Byggr raised?
- Byggr has disclosed $750K raised across 1 round.
- Where is Byggr headquartered?
- Byggr is headquartered in San Francisco, US.

